1 US customary cup in US gallons
Result
The conversion result is: 1 US customary cup is equivalent to 0.0625 US gallons.[1]
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US gallon is equal to 16 times 1 US customary cup.
It can also be expressed as: 1 US customary cup is equal to 1 / 16 US gallons.
Approximation
An approximate numerical result would be: one US customary cup is about zero point zero six US gallons, or alternatively, a US gallon is about zero times one US customary cup.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.